Wednesday, May 29, 2024, 22:52
Small graphite cartridge was loaded with SiC discs 240523-1 and 240523-2 and 220727-2 (baseline discs). Test Discs produced without milling using PAA as a dispersant.
The coated container tube was wrapped in four Ta foil heatshields.
two Tac Coated springs at the ends in case plugs are pushed outwards.
Target temperature on OMEGA= 1850-1900 C
OMEGA slope:= 0.990
Target time at max temperature = 4 hours
Final TGHT current= ~400A (adjustable)
Heating autoramp 2A/min to 90 A
Then at 2A/min to 120A.
Good vacuum = 5.0 e-02 Torr
Bad vacuum = 5.0E-04 Torr
IGP1 initial 4.8e-07 Torr
Wednesday, May 29, 2024, 22:54
Kept at 400 A for 4 hours.
Starting autoramp down at -2A/min
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